# For more information about using CMake with Android Studio, read the
# documentation: https://d.android.com/studio/projects/add-native-code.html

# Sets the minimum version of CMake required to build the native library.

cmake_minimum_required(VERSION 3.4.1)

# Creates and names a library, sets it as either STATIC
# or SHARED, and provides the relative paths to its source code.
# You can define multiple libraries, and CMake builds them for you.
# Gradle automatically packages shared libraries with your APK.
include_directories(libs/include)
include_directories(libs/libyuv)
set(DIR ${CMAKE_SOURCE_DIR}/libs)
add_library(avcodec
        SHARED
        IMPORTED)
set_target_properties(avcodec
        PROPERTIES IMPORTED_LOCATION
        ${DIR}/armeabi-v7a/libavcodec.so)

add_library(avdevice
        SHARED
        IMPORTED)
set_target_properties(avdevice
        PROPERTIES IMPORTED_LOCATION
        ${DIR}/armeabi-v7a/libavdevice.so)
add_library(avformat
        SHARED
        IMPORTED)
set_target_properties(avformat
        PROPERTIES IMPORTED_LOCATION
        ${DIR}/armeabi-v7a/libavformat.so)
add_library(avutil
        SHARED
        IMPORTED)
set_target_properties(avutil
        PROPERTIES IMPORTED_LOCATION
        ${DIR}/armeabi-v7a/libavutil.so)
add_library(swresample
        SHARED
        IMPORTED)
set_target_properties(swresample
        PROPERTIES IMPORTED_LOCATION
        ${DIR}/armeabi-v7a/libswresample.so)
add_library(swscale
        SHARED
        IMPORTED)
set_target_properties(swscale
        PROPERTIES IMPORTED_LOCATION
        ${DIR}/armeabi-v7a/libswscale.so)
add_library(avfilter
        SHARED
        IMPORTED)
set_target_properties(avfilter
        PROPERTIES IMPORTED_LOCATION
        ${DIR}/armeabi-v7a/libavfilter.so)

add_library(yuv
        SHARED
        IMPORTED)
set_target_properties(yuv
        PROPERTIES IMPORTED_LOCATION
        ${DIR}/armeabi-v7a/libyuv.so)

add_library( # Sets the name of the library.
        native-lib

        # Sets the library as a shared library.
        SHARED

        # Provides a relative path to your source file(s).
        src/main/cpp/native-lib.cpp
        src/main/cpp/FFmpegPlayer.cpp
        src/main/cpp/IFFmpegPlayer.cpp
        src/main/cpp/FFmpegMusic.cpp
        )

# Searches for a specified prebuilt library and stores the path as a
# variable. Because CMake includes system libraries in the search path by
# default, you only need to specify the name of the public NDK library
# you want to add. CMake verifies that the library exists before
# completing its build.

find_library( # Sets the name of the path variable.
        log-lib

        # Specifies the name of the NDK library that
        # you want CMake to locate.
        log)
#这个库是用于surface在c代码中交互而添加的
find_library( # Sets the name of the path variable.
        lnative_window_jni-lib

        # Specifies the name of the NDK library that
        # you want CMake to locate.
        android )
# Specifies libraries CMake should link to your target library. You
# can link multiple libraries, such as libraries you define in this
# build script, prebuilt third-party libraries, or system libraries.

target_link_libraries( # Specifies the target library.
        native-lib
        avfilter
        avcodec
        avdevice
        avformat
        avutil
        swresample
        swscale
        yuv
        # Links the target library to the log library
        # included in the NDK.
        ${log-lib}
        ${lnative_window_jni-lib}
        OpenSLES
        )